git clone https://github.com/killajoe/reinstall-DE-for-EndeavourOS.git
cd reinstall-DE-for-EndeavourOS
ls
will list the files
sudo pacman -S --needed - < <de-wm-name to reinstall>
where <de-wm-name to reinstall> is one of the text files from this repo including eos-base-group what will install needed packages would be there on a default install.
example:
sudo pacman -S --needed - < xfce4
sudo pacman -S --needed - < budgie
sudo pacman -S --needed - < cinnamon
sudo pacman -S --needed - < deepin
sudo pacman -S --needed - < gnome
sudo pacman -S --needed - < i3
sudo pacman -S --needed - < lxqt
sudo pacman -S --needed - < mate
sudo pacman -S --needed - < openbox
sudo pacman -S --needed - < plasma
sudo pacman -S --needed - < eos-base-group